Sharon graphed the formula for converting weight from kilograms to pounds. If an item weighs 45 kilograms, what is its weight in pounds?.

Answer:

monomers

Polymer

Explanation:

During the process of polymerization, monomers combine by sharing electrons. This process forms a polymer, which is made of repeating subunits. The resulting material is used in a variety of ways.

such as in the production of plastics, rubber, adhesives, and fibers. The properties of the polymer can be tailored to meet specific needs, such as increased strength, flexibility, or heat resistance, depending on the intended application. Polymerization is an important process in modern industry and has led to the development of a wide range of useful materials.

Answer:

18.75

Explanation:

p=mv, where p is momentum, m is mass, and v is velocity. For the car:

p=1200*2.5=3000

For the deer:

3000=160*v

v=18.75m/s

Hope this helps!

Answer:

It is dangerous to jump from a significant height because acceleration due to gravity is produced on a freely falling body.

The fact that the item is approaching you explains why the waves are closer together.

The Doppler Effect can be used to both sound and light sources. For instance, the sound waves' frequency rises when a sound object approaches you, raising their pitch. The frequency of the sound waves increases as it moves toward you, but the pitch falls as it moves away from you.

The difference in PITCH between a sound's source and listener due to motional interaction. The perceived pitch changes depending on how close or far the listener and sound source are to one another. As they draw closer, it is higher than the source's stationary pitch.

The fact that the item is approaching you explains why the waves are closer together.

Therefore, the correct answer is option 3.The waves are closer together because the object is approaching.

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The waves become closer together because the thing is coming towards you. Hence  option 3 is correct.

The Doppler Effect can be used to both sound and light sources. For instance, the sound waves' frequency rises when a sound object approaches you, raising their pitch. The frequency of the sound waves increases as it moves toward you, but the pitch falls as it moves away from you.

The difference in PITCH between a sound's source and listener due to motional interaction. The perceived pitch changes depending on how close or far the listener and sound source are to one another. As they draw closer, it is higher than the source's stationary pitch.

The fact that the item is approaching you explains why the waves are closer together.

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Fg=Fc has already been stated; hence the following equivalence can be written: mc*(2*/T)2*rcj = G*mc*mj / rcj2.

The gravitational force, as stated by Newton's Universal Law of Gravitation, is the only force acting on Calisto while it is spinning around Jupiter: rcj2 = Fg = G*mc*mj. where G = 6.67*1011 N*m2/kg2, mc = mass of Callisto, mj = mass of Jupiter, and rcj = distance from Jupiter, where rcj = 1.88*109 m for Callisto. In addition, there is a force known as the centripetal force, which is identical to the gravitational force we previously described and keeps Callisto in orbit. The orbital period and this centripetal force are related in the following ways: Fc equals m*(2*/T)2*rcj. We must translate the orbital period from days to seconds in order to be consistent in our use of units: T = 1.44*106 seconds (86,400 seconds per day x 16.69 days) .

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Mass, Speed and Kinetic Energy.The independent variable changed to . the dependent variable for both part i and part ii was .

We can solve this by analysing the choices and the relations between variables.

It's worth noting that Kinetic Energy is proportional to both speed and mass. Actually, Kinetic Energy is exactly proportional to those factors, meaning that the more mass or speed, the higher the Kinetic Energy.

Having said that, Part I and Part II must have speed and mass as indendepent variable, because Kinetic Energy depends on them.

Then, in the third question, the answer is Kinetic Energy becase that's the dependent variable in both cases Part I and Part II.

Just to remember, the Kinetic Energy is defined as

\(KE=\dfrac{1}{2}mv^2\)

Where you can notice the relation between mass, speed and kinetic energy.

Therefore, the right answer are Mass (Part I), Speed (Part II) and Kinetic Energy (Part III).

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Answer

the right answer are Mass (Part I), Speed (Part II) and Kinetic Energy (Part III).

Explanation:

To find the absolute value of the charge density in the wire, we can use the formula:

The diameter of the wire is given as 1.628 mm, so the radius is half of that:

Next, we can calculate the charge density using the given current value:

The diameter of a circle, in geometry, is the straight line segment that passes through the center and connects any two points on the circle, or, in modern usage, diameter means the length of the line segment. For example, if the radius of a circle is 4 cm, then the diameter is 4 cm x 2, or 8 cm. If the circumference is known, divide by π to get the diameter. The diameter is the unit of measurement on the circle, the diameter itself is the straight line that connects the two outermost points of the circle and passes through the center of the circle.

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Answer:

C

Explanation:

(C) If the distance increases by some factor, the force will increase by the square of that factor.

Answer:

Pinhole Projection

Explanation:

You will get a great view if you project a sunlight coming thrugh a small hole onto a viewing card enclosed in a long box. The smaller the pinhole, the sharper the image

Answer:

D...............................

Take into account that the potential energy is given by the following formula:

U = m·g·h

where

m: mass = 80 kg

g: gravitational acceleration constant = 9.8m/s²

h: height = 7 m

Replace the previous values into the expression for the potential energy U:

U = (80 kg)(9.8 m/s²)(7 m)

U = 5,488 J

Hence, Bobby will have a potential enrgy of 5,844 J when he is a the top of a 7 m hill.

D. The height of a student in the class from the given data is 70.

A stem plot is a way to plot data where the data is split into stems (the largest digit) and leaves (the smallest digits).

5, 25, 56, 92, 47, 76, 70, 1

Thus, the height of a student in the class from the given data is 70.

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The other end of the spring is secured to a wall. The block is pushed against the spring, which compresses the spring to a position of x=-0.04x=−0.04 m.

Compression is a process under which volume of the system is gradually reduced, pressure and temperature increases where heat transfer may or may not be possible. While in expansion process volume is gradually decrease with the decrease in pressure and temperature and heat transfer may or may not be possible.

Compression force or the compressive force occurs when the physical pressure pushes inward on a particle making it compacted. During this phenomenon, the relative position of the molecules and the atom of a particle changes rapidly.

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The average speed of a plane taking off on the runway of an airport and accelerates at 3.5 m/s² is 26.25m/s.

Average speed is the rate that is a quantity divided by the time taken to get that quantity. The SI unit of speed is meters per second (m/s).

The acceleration of a moving body is the change of velocity with respect to time (can include deceleration or changing direction).

Acceleration = change in speed ÷ time

According to this question, a plane taking off on the runway of an airport accelerates at 3.5 m/s² from rest for 7.5s. The average speed is calculated as follows:

3.5 = v/7.5

v = 26.25m/s

Therefore, 26.25m/s is the average speed of the plane.

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R(F) = 4F - 160

a. R¹(P) represents the temperature at which a cricket chirps at a rate of P chirps per minute.

b. R(60) refers to the chirping rate of the cricket when the temperature is 60 degrees Fahrenheit, while R¹(60) represents the temperature at which the cricket chirps at a rate of 60 chirps per minute.

The equation R(F) = 4F - 160 represents the relationship between the temperature of the cricket's environment (F) and its chirping rate (R). By plugging in different temperature values, we can determine the corresponding chirping rate.

For example, when we calculate R(60), we find the chirping rate at 60 degrees Fahrenheit.

In this case, R(60) = 4(60) - 160 = 240 - 160 = 80 chirps per minute.

On the other hand, when we calculate R¹(60), we are looking for the temperature at which the cricket chirps at a rate of 60 chirps per minute. Solving the equation 60 = 4F - 160, we find F = 70 degrees Fahrenheit. Therefore, R¹(60) = 70.

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Answer:

b

Explanation:because think about it its going straight so you have to coiunt the miles the train is going and boom your answer is b

Answer:

It would be choice b

Explanation:

speed is constant so they value won't change, on the other hand time is always going.

Answer:

1 N

Explanation:

Given that two point charges +3 micro coulomb and +8 micro coulomb repel each other with a force of 40N.

Let us first calculate the distance between the two point charges

F = (KQq)/r^2

Where K = 9.0 × 10^9Nm^2C^-2

40 = (9×10^9 × 3×10^-6 × 8×10^-6)/r^2

Make r^2 the subject of formula

r^2 = 0.216/40

r = sqrt (5.4^-3)

r = 0.0735 metres

If a charge of -5 micro coulomb is added to each of them, then the force between them will become?

Using the same formula again

F = ( KQq)/r^2

Where Q = 8 - 5 = +3 × 10^-6 C

q = 3 - 5 = - 2 × 10^-6 C

F = ( 9×10^9 × 3×10^-6 × 2×10^-6 )/5.4×10^-2

F = 0.054/0.054

F = 1 N

The force of attraction between the two point charges will be 1 N

Answer:

They become the same exact tempature

Explanation:

Since they got connected it should be the same.

the temperature of the front pipe compare with the temperature of the back pipe before the pipes touch by using same temperature.

Temperature is the measure of hotness or coldness expressed in terms of any of several arbitrary scales and it indicate the direction in which heat energy will spontaneously flow from a hotter body to a colder body.

It is not the equivalent of the energy of a thermodynamic system like burning match is at a much higher temperature than an iceberg whereas the total heat energy contained in an iceberg.

Temperature which is similar to pressure or density known as intensive property  that is independent of the quantity of matter is considered as distinguished from extensive properties, such as mass or volume.

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Answer:

B IS CORRECT

Explanation:

A force in the x-direction decreases linearly from 9000 n to 1000 n in 10.0 s, then suddenly ends. 5000 N is the average force over this interval of time.

To calculate the average force over the given interval of time, follow these steps:
1. First, identify the initial and final forces. In this case, the initial force (\(F_1\)) is 9000 N, and the final force (\(F_2\)) is 1000 N.
2. Next, find the total time interval over which the force changes. Here, the time interval (Δt) is 10.0 s.
3. Since the force decreases linearly, we can calculate the average force (\(F_{avg}\)) using the formula:

\(F_{avg}\) = (\(F_1 + F_2\)) / 2.
4. Plug in the initial and final forces: \(F_{avg}\) = (9000 N + 1000 N) / 2.
5. Calculate the average force: \(F_{avg}\) = (10000 N) / 2 = 5000 N.
So, the average force over the interval of 10.0 seconds is 5000 N.

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Answer:

electrons have a negative charge, while protons have a positive charge

Explanation:

In science "opposites attract"

Answer: It's lack of mass production

It is biodegradable. It does not harm landfills. It doesn't cost much to recycle.

I cannot find anything about mass production or if it costs a lot to recycle.

From the information I know, operating costs were expensive. Cellulose is always recycled and is good for the environment meaning it can't cost much to recycle

Since operating costs were high, it most likely won't be mass produced because it's too expensive.

Therefore I think the answer is its lack of mass production.

Answer:

its lack of mass production

Explanation:

The electric field vector at one point  is the magnitude of the electrostatic force exerted per unit charge on a test charge at that point.The correct option is: (C) I and II only ,.

When charge is present in any form, a point in space has an electric field that is connected to it. The strength and direction of the electric field are expressed by the value of E, sometimes referred to as the electric field strength, electric field intensity, or simply the electric field. Without any precise information of what generated the field, simply knowing the magnitude of the electric field at a certain location is sufficient to predict what would happen to electric charges nearby.

E = \(\frac{F}{q}\).  The vector nature of the equation allows one to find the direction of F and the equation itself allows one to find the ratio F/q, but not q specifically.

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A power loss ride through function is limited to 1-2 seconds.

Typically, the length of the power loss ride-through function is created to offer a long enough buffer time to bridge the gap between the power loss and the power restoration. It enables the system or gadget to securely shut down without causing a sudden disruption to operations.

The application requirements, system criticality, energy storage or backup power capacity, and the time needed for power restoration or alternative power source activation can all be used to establish the precise duration of the ride-through function.

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The time available on Machine II must lie between 1 minute and 3 minutes. The shadow price for Resource 2 (associated with constraint 2) is $3 per minute.

(a) To determine the range of available time on Machine II, we need to consider the constraints provided. The time available on Machine II must be between the time required for Type A souvenirs and the time required for Type B souvenirs.

Time required for Type A souvenir on Machine II: 1 minute

Time required for Type B souvenir on Machine II: 3 minutes

Therefore, the time available on Machine II must lie between 1 minute and 3 minutes.

The meaningful solution for the available time on Machine II is 1 min ≤ Machine II ≤ 3 min.

(b) To maximize the profit, we need to determine the optimal production quantities for Type A and Type B souvenirs given a change in the available time on Machine II.

Let's assume the change in available time on Machine II is represented by k.

To maximize the profit, we need to find the production quantities that maximize the total profit. Let's denote the production quantity for Type A souvenirs as x and the production quantity for Type B souvenirs as y.

The objective function for the profit can be expressed as:

Profit = 0.80x + 1.60y

Subject to the following constraints:

2x + y ≤ 120 (Machine I constraint)

x + 3y ≤ (300 + k) (Machine II constraint)

Using linear programming techniques, the optimal solution will depend on the value of k.

The statement "Ace Novelty's profit is maximized by producing Type A souvenirs 540 5 and 2(223+ *). 3 Type B souvenirs, where -225 1x ** $ 150 X X" seems to be incomplete and unclear. The specific production quantities and profit cannot be determined without knowing the value of k.

(c) To find the shadow price for Resource 2 (associated with constraint 2), we can perform sensitivity analysis.

The shadow price represents the change in the objective function's value per unit increase in the availability of Resource 2 (Machine II in this case). We can determine it by evaluating the sensitivity of the objective function to changes in the constraint.

Since the constraint is x + 3y ≤ (300 + k), the shadow price associated with Resource 2 is the coefficient of the Machine II term, which is 3.

Therefore, the shadow price for Resource 2 (associated with constraint 2) is $3 per minute.

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If we decrease the length of the wire in a circuit,  It reduces the resistance.

Resistance is the opposition offered to the flow of current by a circuit element. The factors that affect resistance include;

Hence, if we decrease the length of the wire in a circuit,  It reduces the resistance caused by the wire since the resistance depends on the length of the wire.

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Answer: A

Explanation:

To calculate the amount of heat required to increase the temperature of 10 kg of air from 10C to 230C at constant pressure, we can use the specific heat capacity of air which is 1.005 kJ/kgC. The temperature difference is 220C (230C - 10C).

Therefore, the amount of heat required can be calculated as:
Heat = mass x specific heat capacity x temperature difference
Heat = 10 kg x 1.005 kJ/kgC x 220C
Heat = 2,451 kJ
Therefore, 2,451 kJ of heat must be transferred to 10 kg of air to increase the temperature from 10C to 230C while maintaining constant pressure. It is important to note that this calculation assumes that the air is an ideal gas and that there is no phase change during the heating process.

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a) Russell's maximum speed vmax is calculated to be 7 m/s.

b) Russell travel through a distance of 14 m during those additional 2 seconds.

c) Russell's distance from the starting line 9 seconds after the start of the race is 49 m.

He is said to start from rest and moves with uniform acceleration. d = v Δt

As he moves with uniform speed from t = 7 to t = 12 sec,

70 - 35 = v(12 - 7)

35 = 5 v

vmax = 7 m/s

b) If Russell runs for 2 s after reaching his maximum speed, distance moved by him is,

d = v t = 7 × 2 = 14 m

c) Distance from the start line after 9 sec is,

d = 35 + v t = 35 + 7(2) = 35 + 14 = 49 m

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The test that is used to monitor the development of lower leg strength and elasticity is called the Sargent Jump Test.

This test is specifically designed to measure a person's lower body power by measuring the height they can jump from a standing position. The test involves the person standing in front of a wall with their back straight and their feet flat on the ground. They are then instructed to jump as high as they can and touch the highest point on the wall that they can reach. The distance between their feet and the wall is then measured, and this provides an accurate measure of their lower body power. The Sargent Jump Test is widely used in sports and fitness training, as it is a simple and effective way to monitor an individual's progress and identify areas where they need to improve.

The Sargent Jump Test, also known as the vertical jump test, measures an individual's explosive leg power and ability to use their lower leg muscles.
1. Warm up: Perform a light warm-up to prepare the muscles for the test.
2. Mark reach height: Stand next to a wall or vertical measuring device with one arm extended upwards. Mark the highest point you can reach.
3. Prepare to jump: Stand with feet shoulder-width apart and slightly bend your knees.
4. Jump: Using your leg muscles and a swinging motion with your arms, jump as high as you can, touching the highest point possible on the wall or measuring device.
5. Measure: Record the difference between your standing reach height and your jump height, which indicates your vertical jump distance.
6. Repeat: Perform the test 2-3 times, allowing for short rest periods in between, and take the best result as your final score.

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Answer:

It depends...

Explanation:

If you know how much watts the pair of hair straighteners use, you can use that as the energy every second. A normal flat iron for hair would be 300 watts, so we could say that it uses 300 jolts or watts of energy per second.